Question about Samsung HCN5527W 55" Rear Projection Television

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65' MITSUBISHI Projection TV - Picture bows - looks 3D

We have a 65' MITSUBISHI Projection TV purchased in 2001.  About a year ago the picture started to bow.  Looks 3D like and distorted.  Anyway, I want to sell the TV now and want to fix the problem before I do so.  Can someone tell me in laymen terms how to fix the problem?  I heard it was a color converter that needed to be fixed…very costly fix.


Thanks for any help!

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  • Anonymous May 11, 2010

    Sounds like a convergence problem. The convergence chips most likely have failed. They are usually referred to as STK chips. I don't have any experience with Mitsubishi TV's but this tends to be a common problem with CRT projection sets. It is also hard to diagnose without seeing pictures of the problem. I can tell you that the site that Jean posted will not fix this
    problem and could even make things worse. That site pertains to a specific problem that is common in
    some Sony sets and should not be used to try to fix any other issue.

    Please keep in mind many things can go wrong with TV
    sets and you should really do a lot of research before attempting any
    adjustment and or repair. There are high voltages present in some areas and they can
    reside even when the set is unplugged.



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This Link goes to a Blog , that covers problems like this and other Picture/Color problems.
Any one with this or other Projection TV Picture problems ( any Projection Brand or Model )
should try this !! SIMPLE NO COST !! solution.
It covers easy instructions , with pictures :D Must mention tho, the instructions and pictures will be for a Sony Rear Projection HDTV (High-definition 16:9 aspect ratio , model KP-51HW40 but like I said, this solution covers MANY different Makes and Models.
Worth a try ;)

Hope this helps YOU and other Consumers with your or similar problems !

Let me know and if it does make sure to share this blog with anyone who needs support on this issue ;)
This Guy Ken who posted the blog is just a consumer like you and me, who had this problem like MANY MANY others and went out of his way to help others.
Would like to see him get as much credit for his efforts as possible, yeah even if it just a thank you....he deserves it.
Couldn't post a thank you to him , for some reason it wouldn't go thru but this is my way of thanking him ;)

Enjoy your day !


Posted on Mar 12, 2009


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Convergance amps need replacing. check with a local repair shop for pricing. dont be shock it may cost ($350.00)

Posted on Jan 01, 2008


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Posted on Jan 02, 2017

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The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
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Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

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